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Rotting basement walkout stair cover (C) Daniel FriedmanBasement Stairways: Guide to Stair, Railing, Landing Construction & Hazard Inspection
InspectAPedia®  -    

  • Basement Stair, railing, guardrail, landing, tread, and step specifications & codes
  • Stair & railing inspection form
  • Stair & railing safety hazards, photos of defects
  • Sketches of stair design requirements
  • Attic pull down stair hazards, basement stair hazards
Our site offers impartial, unbiased advice without conflicts of interest. We will block advertisements which we discover or readers inform us are associated with bad business practices, false-advertising, or junk science. Our contact info is at InspectAPedia.com/appointment.htm.

This document assists in inspecting basement stairs, railings, landings, treads, exterior entries to basements, basement stairwell covers & drains, and related conditions for safety and proper construction.

Having investigated cases of severe injury related to falls and railing collapses we developed this field data collection checklist. We also include references to key documents on building codes and stair and railing safety.

© Copyright 2009 Daniel Friedman, All Rights Reserved. Information Accuracy & Bias Pledge is at below-left. Use links at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

Typical basement stairs in a modern home Rotting collapsing basement stairs in a pre-1900 home

Our photographs above show at left a typical basement entry stair with an open railing - a child hazard - and at right, a twisting, canted narrow, no-railing basement stairway in a pre-1900 home.

The steps in the photo at above right are dangerous because they lean, have worn stair treads, damaged and loose stair treads.

Rotting stair tread and stringer and riser (C) Daniel Friedman Rotting stair structure from behind (C) Daniel Friedman

As our photos just above show, these old basement stairs look worse when inspected from underneath, where the inspector can observe: rotted stair risers, treads, and stringer along the basement foundation wall.

Basement Stair Inspection & Safety Concerns

We've had several reports of severe injury involving collapsing attic stairs, including involving home inspectors as well as occupants. Attic & Basement stair defects can be grouped by the stair type:

Conventional or home-made attic or basement stairways

Watch for basement stairs from both the building interior and also exterior basement stairs and stairwells that do not meet recommended standards for Photograph of a stair railing that is no use against falling.

  • In steps to basements, especially in older homes we often find odd dimensions of stair railings, stair tread width, height, depth, nose, low or flimsy stair railings, loose stair components, and a host of other stair and railing defects are the source of more injuries and more lost time from work in the United States (and probably other countries) than any other source of injuries after automobile accidents. If you see a silly railing such as the one in this photograph it may indicate an approach to stair building that is a red alert for other hazards.
  • Step riser height
  • Step tread width
  • Missing railings
  • Stair top landing guardrails missing
  • Worn, damaged treads
  • Basement walkout stair cover rotted or loose - a serious child hazard such as shown in our photo
  • Non-standard steps, rails, construction
  • Open railings

Basement stair with open side, no rail (C) Daniel Friedman

  • Basement stairs with open side and no railing - people leave off the handrail because it obstructs carrying furniture or other large objects in and out of the basement.

It would be better to provide a handrail and balusters that can be removed when necessary.

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Use links just below or at the left of each page to navigate this document or to view other topics at this website. Green links show where you are in our document or website.

STAIRS, RAILINGS, LANDINGS, RAMPS
  Attic stairs
  Balusters & Railing Enclosures
  Basement Stairs & Walkout Covers
  Checklist for Stair Inspections
  Codes for Stairs
  Exterior stairs
  Fire Stopping for Stairways
  Guardrails on Balconies & Landings
  Lighting over Stairs
  Railings on Stairways
  Ramps, access
  Stair dimensions: width height &c
  Stairway headroom
  Stairway landings
  Step riser dimensions
  Step stringer defects
  Step tread dimensions
  Stair tread nose dimensions
  Winder stairs

  • Thanks to Alan Carson and Bob Dunlop, Carson Dunlop, Associates, Toronto, for permission to use illustrations from their publication, The Illustrated Home which illustrates construction details and building components. Carson Dunlop provides home inspection education, publications, report writing materials, and home inspection services. Alan Carson is a past president of ASHI, the American Society of Home Inspectors.

Books & Articles on Building & Environmental Inspection, Testing, Diagnosis, & Repair

  • Our recommended books about building design, inspection, and repair, and about indoor environment testing, diagnosis, and cleanup are at the InspectAPedia Bookstore.
  • "The Elimination of Unsafe Guardrails, a Progress Report," Elliott O. Stephenson, Building Standards, March-April 1993
  • "Are Functional Handrails Within Our Grasp" Jake Pauls, Building Standards, January-February 1991
  • Slips, Trips, Missteps and Their Consequences, Second Edition, Gary M. Bakken, H. Harvey Cohen,A. S. Hyde, Jon R. Abele, ISBN-13: 978-1-933264-01-1 or ISBN 10: 1-933264-01-2, available from the publisher, Lawyers ^ Judges Publishing Company,Inc., www.lawyersandjudges.com sales@lawyersandjudges.com and also from the InspectAPedia Bookstore (Amazon.com)
  • The Stairway Manufacturers' Association, (877) 500-5759, provides a pictorial guide to the stair and railing portion of the International Residential Code.
  • The following stair books and other books on stair history, design, and architecture can be purchased at our Amazon-Supported InspectAPedia Bookstore
  • Steps and Stairways, Cleo Baldon & Ib Melchior, Rizzoli, 1989.
  • The Staircase: History and Theories, John Templar, MIT Press 1995
  • The Staircase (two volumes), John Templar, Cambridge: the MIT Press, 1992.
  • "The Dimensions of Stairs", J. M. Fitch et al., Scientific American, October 1974.
  • ...
STAIRS, RAILINGS, LANDINGS, RAMPS

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10/14/2009 - 01/14/2002 - InspectAPedia.com/interiors/Basement_Stairs.htm - © 2009 - 1988 Copyright Daniel Friedman All Rights Reserved - InspectAPedia® is a Registered U.S. Trademark